Homework Answers
34. last statement is true about the electron transport chain why because,
NADH and FADH2 donate their electrons through the electron transport chain to oxygen.
Oxygen is the last electron acceptor.
In electron transport chain released energy captured as a proton gradient.
Glycolysis is the first step in cellular respiration.
So option ''D'' is the correct answer.
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Crauji Jingn: Attempt 1 Question 34 (1 point) Which of the following statements about the electron...
D Question 19 2 pts Which of the following statements best describes the primary role played...
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins...
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins during the electron transport chain. If there was a mutation in the DNA coding for each of the proton pumps of the electron transport chain such that these proteins became non-functional, what would you predict to occur? NADH and FADH2 would have to donate their electrons directly to ATP synthase in order for ATP synthesis to occur. All electrons would have to be stripped...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however,...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
Which of the following statements regarding electron transport is TRUE? a) Electrons passing along the electron...
Which of the following statements regarding electron transport is TRUE? a) Electrons passing along the electron transport chain move to successively lower energy states. b) Electron transport occurs only in eucaryotes. c) Only high-energy electrons from NADH can be used to drive the electron transport chain. d) Molecular oxygen is required as a donor of electrons to the electron transport chain. e) The proteins involved in electron transport couple oxidation to phosphorylation in much the same way that glyceraldehyde 3-phosphate...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules using the energy from catabolic pathways. B. Anabolic and catabolic pathways are interchangeable. C. Catabolic pathways create complex molecules using the energy from Anabolic pathways. D. Molecules broken down by anabolic pathways provides energy for catabolic pathways. Cellular respiration 11. Which of the following statements about NAD+ is true? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle....
Evaluate the following statements about anaerobic conditions as true or false. For clarity’s sake, let’s assume...
Evaluate the following statements about anaerobic conditions as true or false. For clarity’s sake, let’s assume there is absolutely no O2 available, and there hasn’t been for some time. Electrons can no longer be given to the electron transport chain (Ie. reduced electron carriers can no longer be oxidized). True ATP synthase can no longer produce ATP. True The Krebs cycle can no longer run because NADH and FADH2 are products of the cycle, and both accumulate. True Glycolysis cannot continue because...
i am unsure of the answer for #2 e 1. An intermediate electron acceptor for oxidations...
i am unsure of the answer for #2
e 1. An intermediate electron acceptor for oxidations that occur in both glycolysis and m cycle reactions (A) Cytochrome (B) FADH2 (C)NAD+ (D) NADP+ (E) Oxygen (02) 2.Coenzyme that transfers electrons from the Krebs cycle to the mitochondrial electron-transport chain at a lower energy level than that of electrons entering at the beginning the chain (A) Cytochrome (B) FADH2 (C) NAD+ (D) NADP+ (E) Oxygen (02) 3.During respiration, most ATP is formed...
1. Where, specifically, is the Electron Transport Chain (ETC) of cellular respiration located within the cell?...
1. Where, specifically, is the Electron Transport Chain (ETC) of cellular respiration located within the cell? 2. What do the “taxi” molecules from glycolysis and the citric acid cycle do with their electrons when they reach the ETC? 3. What happens, physically, to the electrons in the electron transport chain? 4. What happens, in terms of energy, as electrons move through the electron transport chain?
Fermentation ALWAYS results in the production of _______________________. acetic acid NADH NAD+ ethanol Which electron acceptor...
Fermentation ALWAYS results in the production of _______________________. acetic acid NADH NAD+ ethanol Which electron acceptor in respiration yields the largest ATP gain? oxygen Fe3+ sulfate hydrogen The electron transport chain uses the energy obtained by redox reactions to create a gradient of _________ that is then used to synthesize ATP. Choose all that apply. CO2 Na+ H2O H+ e- O2 Which of the following metabolic processes use the electron transport chain? Choose all that apply. Anaerobic respiration Kreb's cycle...
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins during the electron transport chain. If there was a mutation in the DNA coding for each of the proton pumps of the electron transport chain such that these proteins became non-functional, what would you predict to occur? NADH and FADH2 would have to donate their electrons directly to ATP synthase in order for ATP synthesis to occur. All electrons would have to be stripped...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules using the energy from catabolic pathways. B. Anabolic and catabolic pathways are interchangeable. C. Catabolic pathways create complex molecules using the energy from Anabolic pathways. D. Molecules broken down by anabolic pathways provides energy for catabolic pathways. Cellular respiration 11. Which of the following statements about NAD+ is true? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle....
i am unsure of the answer for #2
e 1. An intermediate electron acceptor for oxidations that occur in both glycolysis and m cycle reactions (A) Cytochrome (B) FADH2 (C)NAD+ (D) NADP+ (E) Oxygen (02) 2.Coenzyme that transfers electrons from the Krebs cycle to the mitochondrial electron-transport chain at a lower energy level than that of electrons entering at the beginning the chain (A) Cytochrome (B) FADH2 (C) NAD+ (D) NADP+ (E) Oxygen (02) 3.During respiration, most ATP is formed...
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